Mimosa teledactyla Donn.Sm.

  • Authors

    Rupert C. Barneby

  • Authority

    Barneby, Rupert C. 1991. Sensitivae Censitae. A description of the genus Mimosa Linnaeus (Mimosaceae) in the New World. Mem. New York Bot. Gard. 65: 1-835.

  • Family

    Mimosaceae

  • Scientific Name

    Mimosa teledactyla Donn.Sm.

  • Type

    321. Mimosa teledactyla Donnell Smith, Bot. Gaz. (Crawfordsville) 56: 57. 1913.—"Santa Rosa, Depart. Baja Verapaz, Guatemala, [28] Maj. 1904, O. F. Cook n. 234."—Holotypus, US 860086!; clastotypus + photo, NY!

  • Synonyms

    Mimosa hadrocarpa Ant.Molina

  • Description

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    Species Description - Diffuse or scrambling prickly vines attaining 7-20 dm, armed on internodes and lf-stks with serial cat’s-claw aculei and hispid with straight erect tawny setae 0.6-2(-5) mm, the facially glabrous lfts bicolored, discontinuously appressed-setose-ciliate. Stipules linear-attenuate 1-nerved. Leaf-formula iii-v/(8-)9-14(-15), the lf-stk of longer lvs 5-17 cm, the petiole 3-8 cm, the interpinnal segments l-2(-2.5) cm, the ventral sulcus either continuous or bridged but spicules 0; lfts linear-oblong obtuse, the longer ones 7-14 x 1.8-3 mm, weakly 2(-3)-nerved dorsally, the midrib centric beyond mid-blade, the posterior nerve very short. Capitula solitary or geminate in lf-axils and much surpassed by subtending lf, globose moriform; calyx campanulate denticulate 0.5-0.75 mm, the rim minutely setulose-ciliolate; corolla 2.3-2.8 mm, glabrous, the lobes slenderly carinate externally. Pods mostly 2-10 per capitulum, sessile or nearly so, in profile narrowly oblong cuspidate (15-)20-30 x 6-8 mm, (2-)3-4-seeded, the replum ±0.6-0.9 mm diam., armed with pluriseriate, stiffly erect setae to 4-5.5 mm, the papery valves usually hispid with more slender setae, these sometimes lacking, the free-falling articles 5.5-7 mm long.

    Distribution and Ecology - Leaning and climbing in damp thickets and openings in cloud forest, 1400-2000 m, of local dispersal in mountainous s. Mexico (Chiapas, mun. Jitotol), s.-e. Guatemala (Sta. Rosa), and Honduras (Intibucá, Comayagua, Morazán, La Paz).—Fl. X-II.—Dormilona (Honduras).

  • Discussion

    The type of M. teledactyla is an immature specimen, remarkable for very long (to 5 mm) cauline setae and relatively coarse cilia of leaflets, of the species subsequently described from mature material as M. hadrocarpa.

  • Distribution

    Mexico North America| Chiapas Mexico North America| Guatemala Central America| Santa Rosa Guatemala Central America| Honduras Central America| Intibucá Honduras Central America| Comayagua Honduras Central America| Morazán Honduras Central America| La Paz Honduras Central America|